# Aurora Watch Global vs Heliograph

The clearest difference is in-app purchases: Heliograph at none against Aurora Watch Global's 3. Aurora Watch Global's advantage is iOS requirement (17.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Aurora Watch Global sells 3 in-app purchases, starting at $2.99 per 7 days. Heliograph asks for nothing beyond the download.

Aurora Watch Global ships an update every 6 weeks, Heliograph every 2 months. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Aurora Watch Global | Heliograph |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aurora-watch-global-forecast/id6745201637/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 29 MB | 16 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad, Apple Watch | iPhone, Apple TV, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [GILBY SHEPHERD](https://appshunter.io/developer/1811272514) | [Aphelion Engineering Pty Ltd](https://appshunter.io/developer/1896778280) |

## What reviewers say

### Aurora Watch Global

[App page](https://appshunter.io/ios/app/aurora-watch-global-forecast/id6745201637)

Track auroras worldwide with forecasts, real-time space weather, and local conditions. Plan your viewing or learn about celestial events with interactive maps and detailed data.

**Highlights:** Global aurora forecasts and interactive maps, Real-time KP index and space weather data, Solar imagery and flare probabilities, Local weather conditions and forecasts, Offline dashboard with cached data, Educational guides on auroras and space weather

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $2.99 | per 7 days |
| Pro Monthly | $4.99 | per month |
| Pro Yearly | $29.99 | per year |


### Heliograph

[App page](https://appshunter.io/ios/app/heliograph/id6783219208)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Aurora Watch Global free?

Aurora Watch Global is free to download, with in-app purchases available.

### Is Heliograph free?

Heliograph is free to download, with no in-app purchases.

### Do Aurora Watch Global or Heliograph have ads?

Neither Aurora Watch Global nor Heliograph shows ads.

### Which is updated more often, Aurora Watch Global or Heliograph?

Aurora Watch Global ships an update every 6 weeks, and Heliograph every 2 months. Most recently, Aurora Watch Global was updated on November 5, 2026 and Heliograph on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*